Dis-severing refers to the act of separating or disconnecting something. The opposite of dis-severing can be described in different ways depending on the context. If we are talking about bringing two things or people together, we can use words like reunite, join, or connect. On the other hand, if we are talking about repairing or restoring something, we can use words such as mend, fix, or heal. Another antonym for dis-severing could be combining, which refers to merging or blending different things or elements. In essence, dis-severing is a term that implies separation or disconnection, and the opposite action can be described using words that depict bringing together or repairing.